Finding the Fourth Proportional to 10,499.68, 14,489.56 and 5,783.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.68 : 14,489.56 = 5,783.96 : x
2. Step 2: Convert to fraction form
   10,499.68/14,489.56 = 5,783.96/x
3. Step 3: Cross multiply
   10,499.68x = 14,489.56 × 5,783.96
4. Step 4: Simplify right side
   10,499.68x = 83,807,035.46
5. Step 5: Solve for x
   x = 83,807,035.46/10,499.68
6. Step 6: Final answer
   x = 7,981.87